Home / 1,545,090.42-2,317,586.40-407,817.60

Finding the Fourth Proportional to 1,545,090.42, 2,317,586.40 and 407,817.60

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Solution

The fourth proportional to 1,545,090.42, 2,317,586.40 and 407,817.60 is: 611,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,090.42 : 2,317,586.40 = 407,817.60 : x
  2. Step 2: Convert to fraction form
    1,545,090.42/2,317,586.40 = 407,817.60/x
  3. Step 3: Cross multiply
    1,545,090.42x = 2,317,586.40 × 407,817.60
  4. Step 4: Simplify right side
    1,545,090.42x = 945,152,523,440.64
  5. Step 5: Solve for x
    x = 945,152,523,440.64/1,545,090.42
  6. Step 6: Final answer
    x = 611,713.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.